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From the employer's careers site First seen 24 Oct 2026 · Still live on 31 Oct 2026

Staff Threat Researcher

Zscaler Remote - UK Remote staff full-time

The employer hasn't listed a salary.

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Description

We are looking for a Staff Threat Researcher to join our Threat Intelligence team. This is a remote role based anywhere in the UK, reporting to the Sr. Director, Threat Intelligence.

In this critical role, you will design, implement, and maintain high-performance backend systems. You will collaborate closely with our malware reverse engineering team to build a sophisticated platform that enhances Zscaler’s core threat detection capabilities.

Responsibilities:

  • Build scalable data pipelines and design systems that ingest, process, and index large volumes of documents and data.
  • Take the lead on improving development best practices across the team, championing standards for code reviews, testing, observability, and documentation.
  • Identify and address performance bottlenecks to ensure the overall efficiency and reliability of the applications.
  • Develop robust, reliable backend APIs and services by creating, testing, and measuring backend workflows.

Requirements:

  • Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain.
  • 7+ years of experience as a backend developer or in a similar professional role.
  • Proficiency in Python, PostgreSQL, Redis, and distributed task queue systems.
  • Strong understanding of backend databases, data storage, and RESTful API design and development.
  • Expertise in relational database design, implementation, SQL query optimization, and reporting.

Benefits:

  • Various health plans
  • Time off plans for vacation and sick time
  • Parental leave options
  • Retirement options
  • Education reimbursement
  • In-office perks, and more!

Skills

Required

  • Python
  • PostgreSQL
  • Redis
  • distributed task queue systems
  • backend databases
  • data storage
  • RESTful API design
  • relational database design
  • SQL query optimization

Nice to have

  • AI/ML technologies
  • malware automation
  • threat detection
  • Django internals
  • containerization with Kubernetes
  • full-text search engines

Ready to apply?

You apply with the employer directly. Their original posting is here: https://job-boards.greenhouse.io/zscaler/jobs/5270247007

Apply on Zscaler